Dexter (Patrick Gibson) isn’t the only origin story we see in the prequel’s first season.

TheDexterprequel series finished its first season on Friday by setting up the rest of the killer franchise.

the Ice Truck Killer (Roby Attal), become a serial killer while watching Dexter from afar.

Patrick Gibson as Dexter Morgan in Dexter: Original Sin, episode 9, season 1, streaming on Paramount+, 2024

Patrick Gibson, ‘Dexter: Original Sin’.Credit:Patrick Wymore/Paramount+ with Showtime

Brian bounced from foster home to foster home, ultimately landing in a mental hospital.

Harry figured it out, but hid the truth from Maria.

Harry told Brian that he would only drag Dexter back into the darkness if he reunited with him.

Roby Attal in Dexter: Original Sin

Roby Attal, ‘Dexter: Original Sin’.Paramount+ with Showtime

(Dexter even did his iconic chair spin and wink to celebrate the promotion.)

Christian Slater as Harry Morgan and Patrick Dempsey as Captain Aaron Spencer in Dexter: Original Sin, episode 9, season 1, streaming on Paramount+, 2024

Christian Slater and Patrick Dempsey, ‘Dexter: Original Sin’.Patrick Wymore/Paramount+ with Showtime